<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .main{
            height:800px ;
            width: 800px;
            margin: 0 auto;
            margin-top: 100px;
            background-color:pink;
            display: flex;
           justify-content:space-around;
            
        }
        .main div{
            height: 100px;
            width: 100px;
            background-color: gray;
        }
    </style>
</head>
<body>
    <div class="main">
        <div>566   </div>
        <div>666</div>
        <div>666</div>
        <div>666</div>
    </div>
    
</body>
</html>